Cap of a bottle with a removable straw mixer



FIG. 1 is a top front perspective view of a cap of a bottle with a removable straw mixer showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is an environmental perspective view thereof.

The broken lines in the drawing depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a cap of a bottle with a removable straw mixer, as shown and described. 